An emergency generator, driven by an internal combustion engine, shall be tested under load for a minimum of 2 hours at least once every （）

A、the capstan B、the collector C、the panels D、the surface

A . a boat bucket B . an air tank filled with water C . an oar and canvas weighted down D . All of the above

A . after control of fire，flooding，and structural repairs B . immediately，before the emergency is under control C . after control of fire，but before control of flooding D . after stability is restored

A . Mayday，Mayday，Mayday B . Pan，Pan，Pan C . Security，Security，Security D . Lights out，Lights out，Lights out

A . a 30 second on 30 second off alternating signal B . the continuous blast of the ships whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds C . an intermittent ringing of the general alarm for not less than ten seconds D . announced over the PA system

A . open the generator circuit breaker B . switch the voltage regulator to “manual” C . decrease the field excitation to minimum D . reduce the load on the unit

A . stop the flow of oil at the main deck manifold B . prevent the oil from leaving the shore facility C . prevent the oil from siphoning through the pump D . None of the above

A . a boat bucket B . an air tank filled with water C . an oar and canvas weighted down D . All of the above

A . Immediately B . After one hour C . Only when another vessel is in sight D . Only after sunset

A . Class "A" B . Class "B" C . Class "C" D . Class "D&quot

A . The appointment is put off B . You look sick and weak C . Please wait for minute. He is busy now D . Tell me your ID number

A . varying the DC exciter voltage B . varying the reluctance of the air gap C . regulating the speed of the prime mover D . shorting out part of the armature winding

A .  Configure the SSH version that the router will use B .  Configure the host name of the router C .  Enable AAA Authentication D .  Configure the default IP domain name that the router will use E .  Enable SSH transport support onthe vty line

A . dangerous over-speeding B . a loss of lube oil pressure C . activation of the fixed CO system for the emergency generator space D . all of the above

A . week B . month C . three months D . six month

A . one hour B . two hours C . ten hours D . four hour

A . The generator and bus transfer section B . The 450 volt, 60 cycle, 3 phase bus C . The 120 volt, 3 phase, 60 cycle bus D . The 24 volt DC bu

A．wouldn't B．needn't C．couldn't D．mustn't

A.sediment contamination B.fuel filter clogging C.moisture formation D.inadequate transfer pump suction head

A、Take any action considered necessary under the circumstances. B、Comply with the company’s lost aircraft plan. C、Phone the ARTCC where the flight is located and ask for a phone patch with the flight.

A. emergency lighting for occupied areas,navigation lights B. the driving motors of the emergency bilge pump,fire pumps,and steering gear C. communications systems and alarm systems D. all of the above

A.be switched off by the duty officer B.be switched on by the duty officer C.be switched off automatically D.be switched on automatically

Software quality assurance is now an emerging sub - discipline of(36). As Buckly and oston point out,(37) software quality assurance is likely to lead to an ultimate(38) of software costs. However, the major hurdle in the path of software management in this area is the lack of usable software(39). The development of accepted and generally applicable standards should be one of the principal goals of(40) in software engineering. A．software engineering B．software design C．coding D．testing

A．identify whether you yourself are safe or not B．take a quick,calm and controlled approach C．get to the emergency spot immediately D．possess some first-aid skills 此题为多项选择题。